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Troubleshooting and inspection direction
Negative Ion/Positive Ion generation malfunction
IS NPI(Negative ion/Positive ion)
Selected?
YES
Are POWER PCB ASM
and MAIN PCB CONECTOR
correctly connected?
YES
Is the power of
POWER PCB ASM CN-ACDC PIN2&8 (Negative Ion)
and PIN2&9 (Positive Ion)
AC220V?
YES
Is the power of POWER PCB ASM
CN-ASEI PIN1& 3 (Negative Ion) and PIN3&5
(Positive Ion) AC220V?
YES
Are POWER PCB
and NPI MODULE CONECTOR correctly
connected?
YES
Replace NPI MODULE.
NO
• Select Negative ion/Positive ion.
NO
• Check CN-ACDC connection.
NO
• Replace MAIN PCB ASM.
NO
• Replace POWER PCB ASM.
NO
• Check CN-NSEI connection.
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